package app

import io.elasticsearch.DocumentIndex
import io.mongodb.DocumentCollection
import org.bson.Document
import org.elasticsearch.action.admin.indices.alias.get.GetAliasesRequest
import org.elasticsearch.action.admin.indices.alias.get.GetAliasesResponse
import org.elasticsearch.client.Client
import org.elasticsearch.cluster.metadata.AliasMetaData
import org.elasticsearch.common.collect.ImmutableOpenMap
import org.elasticsearch.index.query.QueryBuilder
import org.elasticsearch.index.query.QueryBuilders
import org.elasticsearch.index.reindex.UpdateByQueryAction
import org.elasticsearch.index.reindex.UpdateByQueryRequestBuilder
import org.elasticsearch.script.Script
import org.elasticsearch.script.ScriptService
import util.PayoutFailsafe

/**
 * Created by dangnh@eway.vn on 11/3/17.
 */
class UpdateClicks {
    static void main(String[] args) {

        def guaranteeOffers = getOfferGuarantee()
        def inhousePublishers = getPublisherInhouse()

        DocumentIndex clickIndex = new DocumentIndex('es://localhost:19300/clicks')

        def clickIndices = getIndicesFromAlias('clicks', clickIndex.delegate).sort()

        clickIndices.each { clickIndexName ->
            def query = """
                            SELECT * FROM $clickIndexName 
                            GROUP BY offer_id, publisher_id 
                            LIMIT 10000 
                        """
            def offerPublishers = clickIndex.prepareQueryDocument(query).get().rows

            offerPublishers.each { offerPublisher ->
                def offerId = offerPublisher.offer_id as String
                def publisherId = offerPublisher.publisher_id as String

                QueryBuilder queryBuilder = QueryBuilders.boolQuery()
                                                         .must(QueryBuilders.matchQuery('offer_id', offerId))
                                                         .must(QueryBuilders.matchQuery('publisher_id', publisherId))
                def script = """
                    ctx._source.offer_guarantee = offer_guarantee;ctx._source.inhouse = inhouse;
                """
                def params = [
                        offer_guarantee: offerId in guaranteeOffers,
                        inhouse        : publisherId in inhousePublishers
                ]
                def result = PayoutFailsafe.instance.get {
                    UpdateByQueryRequestBuilder updateRequestBuilder = UpdateByQueryAction.INSTANCE.newRequestBuilder(clickIndex.delegate)
                    updateRequestBuilder.source(clickIndexName)
                                        .filter(queryBuilder)
                                        .script(new Script(script, ScriptService.ScriptType.INLINE, null, params))
                                        .get()
                }
                if (result.indexingFailures){
                    result.indexingFailures.each {println it.toString()}
                    return null
                }

                if (result.searchFailures){
                    result.searchFailures.each {println it.toString()}
                    return null
                }

                println "Updated index $clickIndexName with pub_id = $publisherId and offer_id = $offerId"
            }
            sleep(60000)
        }


    }

    static List<String> getIndicesFromAlias(String alias, Client client) {
        ImmutableOpenMap<String, List<AliasMetaData>> aliases = ((GetAliasesResponse) client.admin().indices().getAliases(new GetAliasesRequest(alias)).actionGet()).getAliases()
        ArrayList<String> allIndices = new ArrayList()
        aliases.keysIt().forEachRemaining { index -> allIndices.add(index) }
        return allIndices
    }

    static Set<String> getOfferGuarantee() {
        DocumentCollection offerCollection = new DocumentCollection('mongodb://adflexmeta_ro:a45leXmRtarW@localhost:57017/adflex_meta.offers')

        def filter = [guarantee: true] as Document
        def projection = [id: 1] as Document

        offerCollection.find(filter).projection(projection).intoDocuments().thenApply { offers ->
            return (offers*.id as List<String>).toSet()
        }.join()
    }

    static Set<String> getPublisherInhouse() {
        DocumentCollection publisherCollection = new DocumentCollection('mongodb://adflexmeta_ro:a45leXmRtarW@localhost:57017/adflex_meta.publishers')

        def filter = [inhouse: true] as Document
        def projection = [id: 1] as Document
        publisherCollection.find(filter).projection(projection).intoDocuments().thenApply { publishers ->
            return (publishers*.id as List<String>).toSet()
        }.join()
    }
}